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package sort
import (
"codeberg.org/snonux/algorithms/ds"
"sync"
"time"
)
func Sleep[V ds.Integer](a ds.ArrayList[V]) ds.ArrayList[V] {
// Start empty with capacity len(a): the received values are appended below.
// NewArrayList(len(a)) would create a slice of that *length* (all zeros) and
// the appends would then produce len(a) spurious leading zeros.
sorted := make(ds.ArrayList[V], 0, len(a))
numCh := make(chan V)
var wg sync.WaitGroup
wg.Add(len(a))
go func() {
wg.Wait()
close(numCh)
}()
for _, num := range a {
go func(num V) {
defer wg.Done()
time.Sleep(time.Duration(num) * time.Second)
numCh <- num
}(num)
}
for num := range numCh {
sorted = append(sorted, num)
}
return sorted
}
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